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C频段抗5G干扰滤波器,C band Filter,卫星滤波器,C频段滤波器,全系列C波段带通滤波器,各频段

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全系列C波段带通滤波器 3.4–4.8GHz / 5.15–5.216GHz | LEO卫星专用C Band Pass Filter

一、产品概述

深圳市华视数码科技有限公司专业研发生产全系列C波段带通滤波器(C Band Pass Filter),覆盖3.4GHz–4.8GHz主流卫星下行频段及5.15–5.216GHz专属低轨卫星频段,完整适配民用、商用、工业级、科研级低地球轨道LEO卫星接收系统、固定卫星地面站、移动卫星终端射频滤波场景。全系C波段滤波器针对卫星通信行业5G干扰、地面微波杂波、邻频信号串扰痛点定制优化,具备超低插入损耗、极低群时延波动、高带外干扰抑制、低驻波比四大核心射频优势,可精准过滤带外杂散信号,最大化保留卫星有效信号,彻底解决C波段卫星接收信号卡顿、误码、丢包、锁星困难等常见问题。

公司可提供全频段定制化C波段带通滤波器,涵盖3.4–4.2GHz、3.625–4.2GHz、3.625–4.8GHz、5.15–5.216GHz等行业通用标准频段,同时支持非标频段按需定制。全系设备采用工业级紧凑型结构、防腐耐磨漆面工艺,搭配CPR标准法兰接口,具备超宽温工作能力、防尘抗老化、耐高低温、抗风雨侵蚀特性,完美适配户外恶劣工况,广泛应用于LEO低轨卫星通信、卫星遥感测绘、卫星测控、气象卫星监测、应急安防卫星通信等场景,是国内外卫星射频系统核心抗干扰配套设备。

二、全系列C波段滤波器频段型号

深圳市华视数码科技全自研量产C波段带通滤波器通用频段,全覆盖主流卫星通信、卫星电视、LEO低轨卫星、射频测控场景,所有频段均支持标准化量产与定制调试:

3.4–4.2 GHz C波段带通滤波器

3.5–4.2 GHz C波段带通滤波器

3.55–4.15 GHz C波段带通滤波器

3.578–4.178 GHz C波段带通滤波器

3.625–4.2 GHz C波段带通滤波器

3.625–4.8 GHz C波段带通滤波器

3.6–4.05 GHz C波段带通滤波器

3.6–4.2 GHz C波段带通滤波器

3.65–4.2 GHz C波段带通滤波器

3.66–4.2 GHz C波段带通滤波器

3.665–4.165 GHz C波段带通滤波器

3.67–4.2 GHz C波段带通滤波器

3.68–4.18 GHz C波段带通滤波器

3.71–4.21 GHz C波段带通滤波器

3.735–4.2 GHz C波段带通滤波器

3.7–4.2 GHz C波段带通滤波器

3.74–3.8 GHz C波段带通滤波器

3.74–4.16 GHz C波段带通滤波器

3.754–4.2 GHz C波段带通滤波器

3.76–4.2 GHz C波段带通滤波器

3.78–4.2 GHz C波段带通滤波器

3.82–4.2 GHz C波段带通滤波器

3.8–4.2 GHz C波段带通滤波器

3.8–4.8 GHz C波段带通滤波器

3.89–4.2 GHz C波段带通滤波器

3.9–4.2 GHz C波段带通滤波器

4.0–4.2 GHz C波段带通滤波器

4.1–4.2 GHz C波段带通滤波器

5.15–5.216 GHz LEO低轨卫星专用C波段带通滤波器

三、核心产品优势

全频段覆盖,适配所有C波段场景:全系覆盖3.4GHz-4.8GHz常规卫星频段与5.15-5.216GHz低轨卫星专属频段,兼容传统同步卫星、新一代LEO低轨卫星组网项目,支持标准化采购与个性化频段定制,满足不同卫星射频系统选型需求。

超低插入损耗,信号无损传输:旗舰款5.15–5.216GHz滤波器插入损耗≤0.1dB,其余全系频段损耗控制在行业超低标准,大幅降低卫星下行信号衰减,保障远距离、弱信号卫星数据稳定传输,杜绝信号失真、数据丢包问题。

高带外抑制,强力抗5G干扰:针对国内、海外5G基站密集干扰场景优化,典型频段5600MHz处抑制≥35dB,可精准屏蔽地面5G微波、雷达杂波、射频邻频干扰,彻底解决C波段卫星接收高频干扰难题。

超低群时延,高精度通信适配:全系产品群时延波动极小,旗舰型号≤1ns,完美适配高速移动LEO卫星实时传输、高清遥感成像、精准卫星测控等高精度场景,无传输时延误差。

低驻波高匹配,系统兼容性强:优化VSWR低至1.2:1,射频阻抗匹配精度高,信号反射损耗低,可无缝适配各类卫星高频头、接收机、射频链路、卫星终端设备,适配绝大多数主流卫星系统。

工业级耐候,全场景适配-40℃~+60℃超宽温工作区间,亮白防腐防尘漆面,紧凑型防水防尘结构,可长期在高原、荒漠、沿海、野外高低温、风雨沙尘恶劣环境稳定运行。

标准化法兰接口,安装便捷:标配CPR-187、CPR系列标准平板法兰接口,贴合国内外行业通用安装规范,支持固定地面站、车载、船载、机载便携终端快速安装固定。

四、核心技术参数

参数项目

通用全系参数

5.15–5.216GHz旗舰款参数

产品类型

C波段带通滤波器(C Band Pass Filter)

LEO低轨卫星专用C波段带通滤波器

覆盖频段

3.4–4.8GHz全系列定制频段

5.15–5.216GHz(LEO专属)

带外抑制性能

≥80dB 典型干扰频段

≥75dB @ 5600MHz

插入损耗

≤0.3dB(超低损耗)

≤0.1dB(行业极致损耗)

电压驻波比VSWR

≤1.2:1

1.2:1(高匹配低反射)

群时延变化

≤1.5ns

≤1ns(超高稳定)

标准接口

CPR系列平板法兰(可定制)

CPR-187 平板法兰接口

工作温度

-40℃~+85℃ 工业宽温

-40℃~+85℃ 工业宽温

表面工艺

防腐耐磨工业漆面

亮白防腐漆面(防尘防锈耐老化)

五、核心应用场景

LEO低地球轨道卫星系统:适配新一代低轨卫星互联网、LEO物联网卫星、低轨遥感卫星地面接收终端,过滤城市密集5G干扰,保障卫星组网数据传输稳定。

固定卫星地面站:适用于民用商用卫星通信基站、广播电视卫星接收站、科研卫星地面观测站,净化C波段信号,降低系统误码率。

移动便携卫星终端:适配车载、船载、机载、野外便携卫星通信设备,紧凑机身+宽温耐候设计,适配户外移动作业场景。

卫星遥感与测绘工程:为高清卫星遥感、地理信息测绘、国土监测项目提供纯净射频信号,保障测绘数据精准、图像传输完整无失真。

气象与科研卫星监测:应用于气象卫星、空间探测卫星长期信号监测,杜绝邻频干扰,实现全天候不间断稳定数据采集。

应急安防卫星通信:森林防火、海洋监测、野外救援、极地作业等特种场景,恶劣环境下稳定抗干扰,保障应急通信链路畅通。

传统C波段卫星接收改造:老旧卫星地面站抗干扰升级、5G干扰整治项目,适配3.6-4.2GHz、3.7-4.2GHz等通用频段,完美替代进口滤波器。

六、落地应用案例

全国LEO卫星互联网组网项目:为国内多省低轨卫星地面终端配套全系列C波段滤波器,根据不同站点频段需求匹配3.7-4.2GHz、5.15-5.216GHz定制型号,有效解决城市5G基站同频干扰问题,卫星数据接收成功率提升至99.9%,大幅降低运维成本。

野外机动卫星测控项目:全系宽温C波段滤波器批量应用于高原、荒漠、沿海机动测控设备,依托-40℃~+85℃宽温工作性能与防尘防腐工艺,长期户外稳定运行,精准过滤微波、雷达杂波,保障卫星实时测控精度。

卫星遥感测绘工程配套3.625-4.2GHz、3.8-4.2GHz等主流型号大批量应用于国土测绘、环境监测卫星地面系统,凭借超低损耗、低群时延特性,保障高清遥感图像、海量测绘数据高速无损传输。

老旧卫星站5G干扰改造项目:针对传统3.4-4.2GHz、3.6-4.2GHz卫星接收站5G干扰严重问题,替换升级自研C波段带通滤波器,带外抑制性能大幅提升,彻底解决信号卡顿、花屏、锁星失败故障。

七、产品核心优势与服务

深圳市华视数码科技有限公司专注C波段带通滤波器(C Band Pass Filter)研发生产,拥有全频段自研调试能力,覆盖3.4–4.8GHz全系列标准频段及5.15–5.216GHz LEO专属频段,可快速匹配各类卫星通信项目选型需求。相较于通用滤波器,全系产品针对卫星通信干扰场景深度优化,射频性能对标进口设备,具备高抗干扰、低损耗、高稳定、耐恶劣环境等核心优势,同时支持频段定制、接口定制、外观尺寸定制,可为客户提供一站式射频抗干扰解决方案,是国内卫星通信滤波器优质供应商。

English Version | Full Series C-Band Pass Filter (Google SEO Optimized)

1. Product Overview

Shenzhen Huashi Digital Technology Co., Ltd. independently develops and manufactures full-series C-Band Pass Filters, covering a complete frequency range of 3.4GHz–4.8GHz and the dedicated LEO satellite band of 5.15–5.216GHz. Optimized for Low Earth Orbit (LEO) satellite receiving systems and traditional satellite ground station RF systems, our C-band filters effectively suppress 5G terrestrial interference, microwave clutter, and out-of-band noise while maintaining ultra-pure satellite downlink signals.

With ultra-low insertion loss, minimal group delay variation, high out-of-band rejection and low VSWR, our filters solve common satellite signal problems such as signal loss, high BER, distortion and unstable locking. Adopting industrial compact structure, white anti-corrosion coating and standard CPR flange interface, the products feature wide-temperature resistance, dustproof and aging-resistant performance, suitable for harsh outdoor environments. Widely used in LEO satellite communication, satellite remote sensing, telemetry and emergency satellite systems, our C-band filters are high-reliability RF interference suppression components for global satellite projects.

2. Full C-Band Frequency Models

We provide mass production and customized services for all mainstream C-band frequencies:

3.4–4.2 GHz / 3.5–4.2 GHz / 3.55–4.15 GHz / 3.578–4.178 GHz

3.625–4.2 GHz / 3.625–4.8 GHz / 3.6–4.05 GHz / 3.6–4.2 GHz

3.65–4.2 GHz / 3.66–4.2 GHz / 3.665–4.165 GHz / 3.67–4.2 GHz

3.68–4.18 GHz / 3.71–4.21 GHz / 3.735–4.2 GHz / 3.7–4.2 GHz

3.74–3.8 GHz / 3.74–4.16 GHz / 3.754–4.2 GHz / 3.76–4.2 GHz

3.78–4.2 GHz / 3.82–4.2 GHz / 3.8–4.2 GHz / 3.8–4.8 GHz

3.89–4.2 GHz / 3.9–4.2 GHz / 4.0–4.2 GHz / 4.1–4.2 GHz

5.15–5.216 GHz (Dedicated for LEO Satellite)

3. Key Features

Full Frequency Coverage: Complete 3.4–4.8GHz C-band coverage + exclusive 5.15–5.216GHz LEO band, compatible with geostationary satellites and new-generation LEO satellite constellation projects.

Ultra-Low Insert Loss: Max ≤0.1dB for LEO model and ≤0.3dB for general models, ensuring lossless transmission of weak satellite signals.

High Out-of-Band Rejection: Effectively blocks 5G cellular interference, microwave and radar clutter, greatly reducing satellite system bit error rate.

Ultra-Stable Group Delay: Minimal delay variation supports high-speed real-time data transmission and high-precision satellite remote sensing & tracking.

Low VSWR & High Compatibility: Optimized impedance matching fits mainstream satellite receivers, LNBs and RF link devices.

Industrial Wide-Temperature Design: Stable operation from -40°C to +60°C, suitable for desert, plateau, coastal and other harsh outdoor scenarios.

Standard Flange Interface: CPR series flat flange for fast and precise installation on fixed and mobile satellite terminals.

4. Technical Specifications

Parameter

General C-Band Filter

5.15–5.216GHz LEO Model

Frequency Range

3.4–4.8GHz Customizable

5.15–5.216GHz

Out-of-Band Rejection

≥30dB

≥35dB @ 5600MHz

Insertion Loss

≤0.3dB

≤0.1dB

VSWR

≤1.3:1

1.2:1

Group Delay Variation

≤1.5ns

≤1ns

RF Interface

CPR Series Flat Flange

CPR-187 Flat Flange

Operating Temperature

-40°C ~ +60°C

-40°C ~ +60°C

5. Applications

LEO Satellite Constellation System: LEO IoT satellite ground terminals, low-orbit satellite internet receiving stations, anti-5G-interference satellite signal processing.

Satellite Ground Station: Commercial & civil satellite communication base stations, TV satellite receiving systems, scientific observation stations.

Mobile Satellite Terminal: Vehicle-mounted, ship-borne, airborne portable satellite communication equipment for field operations.

Satellite Remote Sensing & Mapping: Geographic surveying, environmental monitoring, high-definition satellite image transmission systems.

Meteorological & Scientific Monitoring: Weather satellite and space science long-term signal acquisition systems.

Emergency Satellite Communication: Forest fire prevention, marine monitoring, field rescue and polar region communication systems.

6. Application Cases

LEO Satellite Internet Project: Supplied full-series C-band filters for domestic LEO satellite ground terminal projects. Effectively suppressed dense urban 5G interference, improved satellite data reception rate to 99.9% and reduced system error rate significantly.

Field Mobile Satellite Telemetry: Mass deployed in plateau, desert and coastal mobile satellite tracking systems. Reliable wide-temperature and anti-aging performance ensures long-term stable operation in harsh environments.

Satellite Remote Sensing Engineering: 3.625–4.2GHz, 3.8–4.2GHz filters applied in national surveying and mapping projects, supporting high-speed and lossless transmission of massive remote sensing data.

Traditional Satellite Station Renovation: Upgraded old C-band receiving stations to solve severe 5G interference problems, eliminating signal stuttering and satellite locking failure issues.



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